feat: new graph problems formatted.

metro/input/15

@@ -0,0 +1,599 @@
+500 598
+216 54
+473 67
+23 347
+449 173
+118 444
+78 32
+193 231
+499 263
+17 126
+153 254
+314 358
+38 398
+75 439
+446 352
+146 251
+146 335
+328 342
+427 106
+24 386
+278 85
+382 2
+339 384
+318 291
+386 289
+270 129
+146 373
+219 149
+282 481
+361 344
+288 176
+462 253
+172 73
+393 20
+392 497
+146 137
+93 278
+41 65
+331 490
+146 494
+330 63
+284 189
+229 251
+146 84
+142 103
+77 435
+120 253
+264 118
+258 225
+374 314
+203 354
+132 379
+105 138
+146 170
+146 356
+146 162
+312 44
+358 134
+451 390
+146 363
+47 24
+357 456
+344 158
+90 388
+34 198
+290 430
+166 393
+309 414
+146 124
+474 461
+384 195
+13 131
+251 485
+447 448
+485 362
+51 78
+488 34
+263 123
+433 425
+450 326
+252 286
+334 148
+472 107
+146 143
+179 319
+8 235
+168 17
+79 118
+146 119
+146 228
+70 320
+96 185
+30 333
+296 458
+342 455
+146 21
+91 309
+199 62
+417 274
+351 262
+10 387
+146 347
+464 410
+218 383
+217 39
+146 409
+239 121
+121 201
+9 18
+481 122
+437 28
+347 355
+398 325
+146 245
+486 499
+336 346
+118 115
+369 391
+139 171
+354 416
+146 12
+444 256
+428 475
+146 368
+5 257
+233 277
+146 52
+235 420
+129 206
+353 465
+146 307
+146 315
+146 278
+236 218
+208 294
+240 402
+37 432
+394 317
+146 486
+176 431
+418 500
+287 474
+397 246
+466 182
+83 417
+146 191
+492 182
+138 154
+327 381
+453 296
+146 79
+225 53
+100 311
+432 283
+271 406
+388 401
+177 419
+146 389
+146 377
+306 49
+346 450
+146 126
+65 374
+376 175
+439 400
+20 112
+146 339
+146 219
+366 100
+292 380
+115 399
+445 197
+54 238
+146 89
+311 140
+58 208
+500 14
+326 484
+239 17
+146 452
+260 483
+124 228
+305 265
+103 247
+71 460
+146 414
+356 103
+94 488
+368 199
+19 281
+443 64
+241 252
+146 78
+49 457
+195 149
+88 60
+162 116
+56 104
+254 56
+7 70
+460 125
+33 139
+157 245
+371 72
+289 42
+146 438
+303 361
+32 124
+110 156
+404 365
+422 167
+385 243
+146 147
+40 110
+146 275
+163 209
+407 79
+132 452
+50 367
+427 61
+73 11
+440 13
+479 312
+87 351
+302 212
+237 5
+424 59
+146 38
+375 136
+257 90
+104 157
+323 466
+194 1
+495 214
+245 241
+412 415
+112 51
+146 309
+146 376
+310 230
+146 479
+233 255
+250 491
+36 161
+398 477
+324 41
+146 428
+52 113
+200 308
+313 322
+146 195
+325 315
+63 61
+146 240
+423 343
+167 227
+180 427
+267 357
+61 434
+89 105
+88 180
+18 422
+406 75
+209 395
+224 202
+390 270
+146 91
+135 166
+160 192
+190 159
+309 293
+173 405
+311 215
+108 169
+316 328
+171 47
+250 424
+205 115
+383 470
+478 288
+211 418
+122 105
+215 356
+146 74
+55 26
+294 403
+245 261
+146 197
+227 187
+256 411
+220 19
+497 332
+238 35
+207 331
+362 404
+274 440
+146 427
+471 240
+243 51
+442 462
+493 88
+117 310
+174 66
+231 443
+84 325
+407 297
+125 464
+389 340
+228 233
+180 433
+197 266
+476 120
+370 29
+408 160
+113 346
+146 248
+226 80
+365 476
+216 248
+419 102
+185 83
+333 87
+197 119
+304 184
+138 377
+421 292
+101 71
+165 224
+249 43
+164 295
+323 27
+146 241
+253 391
+255 348
+82 304
+59 188
+348 50
+494 144
+475 445
+6 221
+12 290
+140 98
+155 392
+183 192
+146 225
+461 453
+454 482
+459 210
+76 234
+169 23
+273 287
+25 32
+315 88
+349 114
+355 275
+146 203
+457 152
+181 155
+134 360
+405 36
+475 298
+283 259
+248 499
+149 323
+146 492
+32 459
+3 10
+364 471
+230 127
+119 57
+146 272
+420 426
+22 165
+146 399
+26 81
+435 284
+281 280
+74 141
+438 91
+234 478
+269 205
+414 239
+253 396
+489 153
+1 7
+146 112
+186 394
+146 233
+202 194
+144 169
+51 4
+280 9
+146 408
+150 220
+416 190
+92 193
+352 349
+409 242
+149 321
+319 226
+482 337
+2 37
+99 128
+151 15
+295 39
+146 364
+467 311
+15 413
+259 172
+85 16
+146 168
+360 76
+469 423
+332 421
+286 69
+322 353
+491 132
+403 318
+182 340
+240 494
+130 236
+345 472
+161 313
+128 216
+391 467
+146 180
+147 466
+91 359
+329 498
+255 447
+39 196
+498 177
+436 3
+136 6
+222 239
+413 327
+97 336
+301 40
+184 449
+64 109
+146 471
+146 20
+278 398
+387 204
+265 55
+343 77
+483 95
+106 145
+131 33
+191 355
+158 45
+146 75
+212 142
+192 397
+317 446
+86 495
+109 436
+359 372
+45 407
+66 463
+189 101
+146 93
+410 74
+241 97
+291 371
+242 135
+209 364
+169 273
+31 232
+11 179
+146 23
+380 48
+62 120
+338 178
+146 269
+122 244
+81 213
+29 437
+27 133
+146 164
+198 279
+262 92
+378 301
+146 183
+465 412
+72 207
+146 138
+383 334
+340 479
+175 445
+300 338
+146 264
+141 324
+320 473
+206 300
+213 468
+350 157
+43 491
+479 216
+279 22
+468 329
+146 302
+337 200
+146 330
+214 305
+152 96
+272 323
+499 104
+377 93
+146 493
+14 25
+80 86
+346 317
+148 454
+178 117
+204 267
+379 223
+137 144
+67 382
+68 271
+244 378
+429 285
+146 350
+268 82
+146 255
+143 407
+126 307
+75 250
+124 46
+21 68
+275 258
+307 428
+146 442
+146 249
+210 441
+146 258
+170 406
+192 438
+146 366
+452 122
+156 174
+48 150
+146 186
+146 97
+107 489
+104 8
+146 348
+496 30
+348 384
+415 469
+363 370
+146 108
+183 429
+146 215
+317 209
+146 303
+399 183
+232 393
+28 99
+103 166
+69 480
+116 130
+431 487
+146 163
+146 31
+98 341
+308 451
+102 181
+335 345
+490 496
+373 211
+146 217
+61 383
+401 58
+146 250
+146 369
+146 336
+438 375
+225 295
+228 299
+146 132
+455 94
+39 143
+57 170
+381 268
+487 306
+146 57
+276 237
+400 260
+196 111
+456 151
+146 467
+187 276
+430 222
+42 229
+159 282
+146 385
+146 475
+127 316